Home / 5,411.17-8,117.25-1,712.44

Finding the Fourth Proportional to 5,411.17, 8,117.25 and 1,712.44

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Solution

The fourth proportional to 5,411.17, 8,117.25 and 1,712.44 is: 2,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.17 : 8,117.25 = 1,712.44 : x
  2. Step 2: Convert to fraction form
    5,411.17/8,117.25 = 1,712.44/x
  3. Step 3: Cross multiply
    5,411.17x = 8,117.25 × 1,712.44
  4. Step 4: Simplify right side
    5,411.17x = 13,900,303.59
  5. Step 5: Solve for x
    x = 13,900,303.59/5,411.17
  6. Step 6: Final answer
    x = 2,568.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.